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different stderr with expr "56" "substr" #5558

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sylvestre opened this issue Nov 19, 2023 · 0 comments · Fixed by #5559
Closed

different stderr with expr "56" "substr" #5558

sylvestre opened this issue Nov 19, 2023 · 0 comments · Fixed by #5559
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good first issue For newcomers! U - expr

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@sylvestre
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With GNU:

/usr/bin/expr "56" "substr"
/usr/bin/expr: syntax error: unexpected argument 'substr'

With our:

./target/debug/coreutils expr "56" "substr"
expr: syntax error (premature end of expression)

Found thanks to fuzzing:
#5557
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good first issue For newcomers! U - expr
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Fuzz everything
Status: Done
GNU Compatibility
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expr: different stderr with expr "56" "substr" pawelngei/coreutils
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@sylvestre